CN219290666U

CN219290666U - Constant-pressure separating funnel for multiple continuous reactions

Info

Publication number: CN219290666U
Application number: CN202320838587.8U
Authority: CN
Inventors: 徐冰峰; 徐子路
Original assignee: Nanjing Binzhenghong Instrument Co ltd
Current assignee: Nanjing Binzhenghong Instrument Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-07-04
Anticipated expiration: 2033-04-14

Abstract

The utility model discloses a constant-pressure separating funnel for multiple continuous reactions, which comprises a funnel body, wherein a liquid storage cavity is formed in the funnel body, a separation part is arranged in the liquid storage cavity to form a first cavity and a second cavity, the funnel body is also symmetrically provided with a first dropper, a second dropper, a first constant-pressure pipe and a second constant-pressure pipe, and regulating valves are arranged on the first dropper and the second dropper. According to the constant-pressure separating funnel for multiple continuous reactions, the first dropper, the second dropper, the first constant-pressure pipe and the second constant-pressure pipe on the funnel body are utilized, the regulating valve on the first dropper is opened firstly, the regulating valve on the second dropper is kept closed, liquid in the first cavity is dropped out through the first dropper, the regulating valve on the second dropper is opened in the same way, the regulating valve of the first dropper is closed, so that liquid in the second cavity is dropped out through the second dropper, and the problem that the separating funnel can be used after being cleaned again when different liquids are replaced is avoided.

Description

Constant-pressure separating funnel for multiple continuous reactions

Technical Field

The utility model relates to the technical field of separating funnels, in particular to a constant-pressure separating funnel for various continuous reactions.

Background

The constant pressure separating funnel is one type of separating funnel. The device is the same as other separating funnels, and can perform operations such as liquid separation, extraction and the like. Different from other separating funnels, constant pressure separating funnels can guarantee that inside pressure is unchangeable, firstly can prevent the suck-back, secondly can make the interior liquid of funnel flow down smoothly, thirdly reduces the influence of increased liquid to gas pressure to it is more accurate when measuring gas volume.

According to publication number CN204759874U, publication (bulletin) day: 2015.11.11 a separating funnel, a first glass piston is arranged on the liquid outlet pipe of the separating funnel, an outer glass pipe with an opening at the bottom is further connected to the outside of the liquid outlet pipe of the separating funnel, an n-shaped bent pipe is arranged at the top of the separating funnel and beside the liquid inlet, one branch pipe of the n-shaped bent pipe is communicated with the separating funnel, the other branch pipe extends downwards and is communicated with the side wall of the outer glass pipe, and a second glass piston is further arranged on the n-shaped bent pipe. The constant pressure funnel of this structure has filled the blank that does not have this kind of presentation device in the laboratory yet at present, has solved the deficiency that opens the rubber air duct exists of ordinary generator class device and cylindric separating funnel connection.

In the prior art including above-mentioned patent, utilize to be provided with glass piston two on the n type return bend of separating funnel, be provided with glass piston one on the drain pipe, through control glass piston one or two in order to reach the purpose of many times liquid changes, but still can hold a liquid in this separating funnel, in the chemistry experiment sometimes need drop into two kinds of different liquids in succession in order to carry out continuous reaction, and this separating funnel need wash again after changing different liquids again and can use, lead to its lack of applicability.

Disclosure of Invention

The utility model aims to provide a constant-pressure separating funnel for a plurality of continuous reactions, which is used for solving the problem that the separating funnel can be used after being cleaned again when different liquids are used.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a constant voltage separating funnel for multiple continuous reaction, includes the funnel body, has seted up the stock solution chamber in it, stock solution intracavity is provided with partition portion in order to form first cavity and second cavity, the funnel body still symmetry is provided with first burette, second burette, first constant voltage pipe and second constant voltage pipe, first burette with first cavity is linked together, the second burette with the second cavity is linked together, the first end of first constant voltage pipe and second constant voltage pipe all with the stock solution chamber is linked together, the second end of first constant voltage pipe and second constant voltage pipe respectively with first burette and second burette are linked together, all be provided with regulation and control valve on first burette and the second burette.

Preferably, the funnel body is provided with a wide opening communicated with the liquid storage cavity, and the wide opening is provided with a plugging piece for plugging.

Preferably, the axis of the second end of the first constant pressure pipe forms an included angle of 10-40 degrees with the axis of the first dropper.

Preferably, the axis of the second end of the second constant pressure pipe forms an included angle of 10-40 degrees with the axis of the second dropper.

Preferably, the blocking piece is a rubber piece.

In the technical scheme, the constant-pressure separating funnel for multiple continuous reactions has the following beneficial effects: the liquid storage cavity of the funnel body is divided into the first cavity and the second cavity by the separation part by the first dropper, the second dropper, the first constant pressure pipe and the second constant pressure pipe which are symmetrically arranged on the funnel body, different experimental liquids can be respectively injected into the first cavity and the second cavity, when two groups of liquids are continuously reacted, the regulating valve on the first dropper is firstly opened, the regulating valve on the second dropper is kept closed, the liquid in the first cavity is dropped out by the first dropper, the regulating valve on the second dropper is opened by the second constant pressure pipe and the second dropper so as to keep the air pressure balance, the regulating valve on the second dropper is opened by the same principle, and the regulating valve on the first dropper is kept closed so that the liquid in the second cavity is dropped out by the second dropper, thus the problem that the two groups of liquids can be used only after being cleaned again when the separating funnel is replaced by different liquids is avoided when the two groups of liquids are continuously dropped out by different droppers.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic view of the overall structure provided by an embodiment of the present utility model;

FIG. 2 is a schematic view of a general cross-section of a structure provided by an embodiment of the present utility model;

fig. 3 is a schematic view of an overall explosion structure according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a funnel body; 11. a liquid storage cavity; 12. a first dropper; 13. a second dropper; 14. a first constant pressure pipe; 15. a second constant pressure pipe; 16. a partition portion; 17. a wide mouth; 2. a blocking member; 3. regulating and controlling a valve; 4. a first chamber; 5. a second chamber.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.

As shown in fig. 1-3, a constant pressure separating funnel for multiple continuous reactions comprises a funnel body 1, a liquid storage cavity 11 is formed in the funnel body, a partition 16 is arranged in the liquid storage cavity 11 to form a first chamber 4 and a second chamber 5, the funnel body 1 is also symmetrically provided with a first dropper 12, a second dropper 13, a first constant pressure pipe 14 and a second constant pressure pipe 15, the first dropper 12 is communicated with the first chamber 4, the second dropper 13 is communicated with the second chamber 5, first ends of the first constant pressure pipe 14 and the second constant pressure pipe 15 are communicated with the liquid storage cavity 11, second ends of the first constant pressure pipe 14 and the second constant pressure pipe 15 are respectively communicated with the first dropper 12 and the second dropper 13, and a regulating valve 3 is arranged on the first dropper 12 and the second dropper 13.

Specifically, as shown in fig. 1, the upper ends of the first constant pressure pipe 14 and the second constant pressure pipe 15 are first ends, the lower ends are second ends, the funnel body 1 is symmetrically provided with the first dropper 12, the second dropper 13, the first constant pressure pipe 14 and the second constant pressure pipe 15, the first dropper 12 and the second dropper 13 are respectively provided with the regulating valve 3, the regulating valve 3 on the first dropper 12 is positioned between the second ends of the first constant pressure pipe 14 and the funnel body 1 so that the regulating valve 3 on the second dropper 13 is positioned between the second ends of the second constant pressure pipe 15 and the funnel body 1 so that the regulating valve 3 is not used for sealing the second constant pressure pipe 15, when continuous reaction experiments of two groups of liquid are carried out, different experimental liquids can be respectively injected into the first chamber 4 and the second chamber 5, when continuous reaction of two groups of liquid is carried out, the regulating valve 3 on the first dropper 12 is opened, the regulating valve 3 on the second dropper 12 is kept closed, the liquid in the first chamber 4 is discharged from the second dropper 12 through the first dropper 12, and the second dropper 13 is kept to be in communication with the outside through the second constant pressure pipe 11; similarly, the regulating valve 3 on the second dropper 13 is opened, and the regulating valve 3 on the first dropper 12 is kept closed, so that the liquid in the second chamber 5 can be dropped out through the second dropper 13, the first constant-pressure pipe 14 and the first dropper 12 are communicated with the liquid storage cavity 11 to keep air pressure balance, two groups of liquid are continuously dropped into the liquid storage cavity to perform continuous reaction, and simultaneously the two groups of liquid can be dropped out through different droppers to avoid mutual pollution, and further the problem that the liquid separation funnel can be used after being cleaned again when the separating funnel is used for replacing different liquids is avoided.

In the above technical solution, the first dropper 12, the second dropper 13, the first constant pressure pipe 14 and the second constant pressure pipe 15 symmetrically arranged on the funnel body 1 are utilized, the liquid storage cavity 11 of the funnel body 1 is divided into the first cavity 4 and the second cavity 5 by the partition portion 16, different experimental liquids can be respectively injected into the first cavity 4 and the second cavity 5, when two groups of liquids are continuously reacted, the regulating valve 3 on the first dropper 12 is opened first, the regulating valve 3 on the second dropper 13 is kept closed, the liquid in the first cavity 4 is dropped out through the first dropper 12, the second constant pressure pipe 15 and the second dropper 13 are communicated with the outside to keep air pressure balance, the regulating valve 3 on the second dropper 13 is opened in the same way, and the regulating valve 3 on the first dropper 12 is kept closed, so that the liquids in the second cavity 5 are dropped out through the second dropper 13, thus, when two groups of liquids are continuously dripped into each other to react, the two groups of liquids are continuously reacted through different droppers to avoid mutual pollution, and the problem that the two groups of liquids can be replaced after the different droppers are replaced when the different droppers are used.

As the embodiment of the utility model further provides, offer wide mouth 17 that is linked together with stock solution chamber 11 on the funnel body 1, be provided with the shutoff piece 2 that is used for the shutoff on the wide mouth 17.

Specifically, as shown in fig. 3, a wide opening 17 which is communicated with the liquid storage cavity 11 is formed in the funnel body 1, a plugging piece 2 for plugging is arranged on the wide opening 17, liquid to be used is injected into the first chamber 4 and the second chamber 5 through the wide opening 17 by the liquid transfer device, and then the plugging piece 2 is used for plugging the wide opening 17, so that the funnel is convenient for practical use.

As a further provided embodiment of the present utility model, the axis of the second end of the first constant pressure tube 14 forms an angle of 10-40 degrees with the axis of the first dropper 12.

Specifically, the axis of the second end of the first constant pressure pipe 14 forms an included angle of 10-40 degrees with the axis of the first dropper 12, so that the second end of the first constant pressure pipe 14 is inclined downward and is communicated with the interior of the first dropper 12, when liquid drips out from the first dropper 12, the liquid in the first dropper 12 can be prevented from flowing into the first constant pressure pipe 14 under the influence of gravity to cause inaccurate drip data, and the accuracy of test data is improved.

As a further provided embodiment of the present utility model, the axis of the second end of the second constant pressure tube 15 forms an included angle of 10-40 degrees with the axis of the second dropper 13.

Specifically, the axis of the second end of the second constant pressure pipe 15 forms an included angle of 10-40 degrees with the axis of the second dropper 13, so that the second end of the second constant pressure pipe 15 is inclined downwards and is communicated with the interior of the second dropper 13, when liquid drips out from the second dropper 13, the liquid in the second dropper 13 can be prevented from flowing into the second constant pressure pipe 15 under the influence of gravity to cause inaccurate drip data, and the accuracy of test data is improved.

As a further provided embodiment of the present utility model, the blocking member 2 is a rubber member.

Specifically, the blocking member 2 is a rubber member to increase the sealability and the service life of the blocking member 2.

Working principle: firstly, injecting liquid to be used into a first chamber 4 and a second chamber 5 through a wide opening 17 by a liquid transfer device, then using a plugging piece 2 to plug the wide opening 17, and then opening a regulating valve 3 on a first dropper 12 and keeping a regulating valve 3 on a second dropper 13 closed when continuous reaction of two groups of liquid is required, wherein the liquid in the first chamber 4 drips out through the first dropper 12, and a liquid storage cavity 11 is communicated with the outside by a second constant pressure pipe 15 and the second dropper 13 to keep air pressure balance; similarly, the regulating valve 3 on the second dropper 13 is opened, and the regulating valve 3 on the first dropper 12 is kept closed, so that the liquid in the second chamber 5 can drop out through the second dropper 13, and the first constant pressure pipe 14 and the first dropper 12 communicate the liquid storage cavity 11 with the outside to keep the air pressure balance, and the two groups of liquid can continuously drop out to perform continuous reaction.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The constant pressure separating funnel for multiple continuous reactions is characterized by comprising a funnel body (1), wherein a liquid storage cavity (11) is formed in the funnel body, a partition part (16) is arranged in the liquid storage cavity (11) to form a first cavity (4) and a second cavity (5), the funnel body (1) is also symmetrically provided with a first dropper (12), a second dropper (13), a first constant pressure pipe (14) and a second constant pressure pipe (15), the first dropper (12) is communicated with the first cavity (4), the second dropper (13) is communicated with the second cavity (5), first ends of the first constant pressure pipe (14) and the second constant pressure pipe (15) are respectively communicated with the liquid storage cavity (11), and second ends of the first constant pressure pipe (14) and the second constant pressure pipe (15) are respectively communicated with the first dropper (12) and the second dropper (13), and a regulating valve (3) is arranged on the first dropper (12) and the second dropper (13).

2. The constant pressure separating funnel for multiple continuous reactions according to claim 1, wherein the funnel body (1) is provided with a wide opening (17) communicated with the liquid storage cavity (11), and the wide opening (17) is provided with a plugging piece (2) for plugging.

3. A constant pressure separating funnel for multiple continuous reactions according to claim 1, characterized in that the axis of the second end of the first constant pressure tube (14) is at an angle of 10-40 degrees to the axis of the first dropper (12).

4. A constant pressure separating funnel for multiple continuous reactions according to claim 1, characterized in that the axis of the second end of the second constant pressure tube (15) is at an angle of 10-40 degrees to the axis of the second dropper (13).

5. A constant pressure separatory funnel for use in a plurality of continuous reactions according to claim 2, wherein the blocking member (2) is a rubber member.